Just in case you wanted to have problems sleeping tonight here's some video footage of giant freaking spiders snatching up an opossum and carrying it away to eat.
Here's the caption for the UM video:
A University of Michigan-led team of biologists has documented 15 rare and disturbing predator-prey interactions in the Amazon rainforest including keep-you-up-at-night images of a dinner plate-size tarantula dragging a young opossum across the forest floor. This video shows them conducting their research in Peru. Learn more: http://myumi.ch/6n3mw